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CNS test 2 review

QuestionAnswer
Includes the fastigial nucleus Vestibulocerebellum, Spinocerebellum
Afferents include the dorsal spinocerebellar tract Spinocerebellum
Is phylogenically the oldest portion Vestibulocerebellum
Is the most important region for fine motor control Pontocerebellum
Efferents terminate on the red nucleus Spinocerebellum, Pontocerebellum
In genereal, affects muscles on the same side of the body Vestibulocerebellum, Spinocerebellum, Pontocerebellum
Influences the motor cortices Spinocerebellum, Pontocerebellum
Pathology likely results in truncal ataxia and nystagmus Vestibulocerebellum
Especially important in large motor stereo typed movements Spinocerebellum
Influences lower motor neurons by the reticulospinal tracts Vestibulocerebellum, Spinocerebellum
Recieves afferents from nucleus dorsalis Spinocerebellum
Receives the vast majority of its input indirectly from the cerebral cortex Pontocerebellum
Afferents include cuneocerebellar fibers Spinocerebellum
Deep nucleus receives inhibitory afferents from the cortex/purkinje cells Vestibulocerebellum, Spinocerebellum, Pontocerebellum
Efferent fibers decussate in the superior cerebellar peduncle Spinocerebellum, Pontocerebellum
Affects the lower motor neurons by the pontine and medullary reticulospinal tracts Vestibulocerebellum, Spinocerebellum
Function could be affected by a lesion in the internal capsule Pontocerebellum
Affects the lower motor neurons through the rubrospinal tract Spinocerebellum, Pontocerebellum
Granule cells of the cortex receive mossy fibers Vestibulocerebellum, Spinocerebellum, Pontocerebellum
Includes the dentate nucleus Pontocerebellum
Includes the interposed nucleus (Globose/Emboliform) Spinocerebellum
Affects the lower motor neurons by the corticospinal tract Spinocerebellum, Pontocerebellum
Affects the lower motor neurons by the lateral vestibulospinal tract Vestibulocerebellum, Spinocerebellum
Disturbances may result in speech problems Pontocerebellum
Recieves afferents from the lateral cuneate nucleus Spinocerebellum
Affects lower motor neurons by the medial longitudinal fascculus Vestibulocerebellum, Spinocerebellum
Roughly equivalent to the archicerebellum Vestibulocerebellum
Recieves climbing fibers from the inferior olivary nucleus Pontocerebellum
Receives afferents directly from the maculae Vestibulocerebellum
Cranial Nuclei Described- Parasympathetic to the heart Ambiguous
Cranial Nuclei Described- Parasympathetic to the ileum Dorsal motor nucleus of X
Cranial Nuclei Described- Fibers terminate on the pterygopalatine ganglion Superior Salivatory/Lacrimal
Cranial Nuclei Described- Sensory Nuclei supplied by the posterior inferior cerebellar artery Nucleus of the Spinotrigeminal tract
Cranial Nuclei Described- Receives afferents from the ipsilateral later gaze center Abducens
Cranial Nuclei Described- Parasympathetic fibers join the glossopharyngeal nerve Inferior Salivatory and Ambiguous
Cranial Nuclei Described- Motor to skeletal muscle of the larynx, pharynx, and esophagus Ambiguous
Cranial Nuclei Described- Receives chemreceptor and barroreceptor afferents Solitarius (Inferior part)
Cranial Nuclei Described- Receives afferents from pretectal nuclei Edinger Westphal
Cranial Nuclei Described- Receives taste afferents Solitarius (superior part)
Cranial Nuclei Described- Supplied by the anterior spinal artery Hypoglossal
Cranial Nuclei Described- Parasympathetic to the stomach Dorsal Motor Nucleus of X
Cranial Nuclei Described- Receives afferents from the fastigial nucleus Vestibular
Cranial Nuclei Described- Receives afferents from the tongue Nucleus of the spinotrigeminal tract
Cranial Nuclei Described- Fibers terminate on the inferior colliculus Cochlear Nuclei (Dorsal and ventral)
Cranial Nuclei Described- Fibers terminate on the ventral posterior medial nucleus of the thalmus Vestibular
Cranial Nuclei Described- Receives fibers from pretectal nuclei in the papillary light response Edinger Westphal
Cranial Nuclei Described- Efferent fibers joining the glossopharyngeal nerve Ambiguous and inferior salivatory
Cranial Nuclei Described- Receives cortical afferents only from the contralateral cortex Facial motor (lower half)
Cranial Nuclei Described- Receives afferents from the contralateral lateral gaze center occulomotor
Cranial Nuclei Described- Innervates muscles derived from arch 2 Facial motor nucleus
Cranial Nuclei Described- Innervates the ciliary body and sphincter papillae Edinger Westphal
Cranial Nuclei Described- Receives afferents from the hypothalamus ambiguous, inferior salivatory and superior salivatory/lacrimal, and dorsal motor nucleus
Cranial Nuclei Described- Receives afferents from the trigeminal nerve Nucleus of the spinotrigeminal tract
Cranial Nuclei Described- Motor to muscles derived from arches 3 and 6 Ambiguous
Cranial Nuclei Described- fibers pass posterior to abducens nucleus Facial motor
Cranial Nuclei Described- Located at the same brainstem level as the superior colliculus superior salivatory/lacrimal ?
Cranial Nuclei Described- Located at the same brainstem level as the inferior colliculus Inferior salivatory
Cranial Nuclei Described- Efferent to bilateral muscles Ambiguous
Cranial Nuclei Described- Projects to the left superior oblique Facial motor (upper part)
Cranial Nuclei Described- Located only in the mid pons close to chief sensory nucleus of V Motor nucleus of V
Cranial Nuclei Described- Receives afferents from the superior colliculus Edinger Westphal
Cranial Nuclei Described- Receives afferents from the facial nerve solitarius upper part and nucleus of spinotrigeminal tract
Cranial Nuclei Described- Receives afferents from the left lateral gaze center Left Abducens and Right occulomotor
Cranial Nuclei Described- Parasympathetic to the duodenum Dorsal motor nucleus of X
Cranial Nuclei Described- Efferent fibers pass between the olive and pyramid Abducens
Hyperkinetic autosomal dominant genetic disease characterized by widespread destruction of the basal nuclei and the cerebrum Huntington's chorea
Hypokinetic disease characterized by slow movements, increased muscle tonoe, loss of facial expression, delayed initiation, and pill rolling tremor Parkinson's Disease
Characterized by truncal ataxia and nystagmus Flocculondular syndrome
Violent involuntary flailing movements resulting from a lesion in the contralateral subthalamic nucleus Hemiballismus
Involuntary movements of the tongue and face induced by antipsychotic drugs Tardive Dyskinesia
May develope following rheumatic fever Syndenham's chorea
Characterized by increased muscle tone and decreased voluntary movements Hypokinesia and Parkinson's Disease
A decrease in olfactory sense may precede diagnosis by up to 4 years Parkinson's Disease
Ganglion cells of the retina- Receive afferents from the _____ neurons in the retina bipolar
Ganglion cells of the retina- Terminate on the ____ for eye movement superior colliculus
Ganglion cells of the retina- Terminate on the _____ in the pathway for pupillary dilation in response to light hypothalamus
Ganglion cells of the retina- Terminate on the ____ in the pathway for the consensual pupillary light response superior colliculus
Ganglion cells of the retina- Terminates on the ____ in the pathway for conscious visual awareness lateral geniculate
Give the afferents to the right dentate nucleus- Excitatory stimuli from the __ and __ by the inferior cerebellar peduncle left inferior olive nuclei and left arcuate nuclei
Give the afferents to the right dentate nucleus- Excitatory stimuli from the ____ by the middle cerebellar peduncle left pontine nuclei
Give the afferents to the right dentate nucleus- Inhibitory stimuli from ____ located in the ____ Purkinje cells; Pontocerebellum Cortex
Ganglion cell axons terminate on _____ in the pathway for vision lateral geniculate
Ganglion cell axons terminate on _____ in the pathway for pupillary dilation hypothalamus
Ganglion cell axons terminate on _____ in the pathway for pupillary constriction superior colliculus
Ganglion cell axons terminate on _____ for endocrine responses to light hypothalamus
In general, Purkinje cell axons of the cerebellum terminate on the _____ where they have a(n) ____ response deep nuclei; inhibitory
Vestibular nuclei project to: Extraocular nuclei by the Medial Longitudinal fasciculus The ventral posterior medial nucleus of thalamus for conscious awareness
Deafness in the right ear is most likely cause by a problem located in the _________. outer right ear, outside the CNS.
receptive aphasia may result from an occlusion in the _______. left, middle cerebral artery
As an example of descending auditory fibers, the _______ projects to the organ of Corti. superior olive nucleus
In the basic auditory pathway, the medial geniculate relays info from the __________ and projects to area ______. left and right inferior colliculus; 41, 42
Which two descending motor tracts terminating on in the cervical cord are important for coordination of head and eye position? Medial Vestibulospinal tract Tectospinal tract
Which sensory epithelium senses linear acceleration? Maculae
In the basic auditory pathway, the right inferior colliculus receives afferents from the _______ and sends info to the ____. right and left ventral and dorsal cochlear nuclei; right medial geniculate
Which accessory auditory nucleus is required for the ability to discern distance and direction? Superior olive
What nuclei forms the paleostriatum? globus pallidus
Pathology which results in Parkinson's disease Substantia nigra
Name the descending tracts by which the vestibulocerebellum affects the neurons listed: Extraocular LMN of lumbosacral spinal cord medial longitudinal fasciculus; lateral vestibulospinal tract
A person has a vascular lesion which gives signs and symptoms of both basal nuclear and pontocerebellar dysfunctions. Give the most likely location of lesion. anterior limb of internal capsule; basal peduncle; basal pons
Dizziness and deafness in the right ear right vestibulocochlear nerve
What sensory epithelium responds to rotary movements of the head? Crista ampularis
In general, info from the macula projects to the _____ portion of area 17. posterior
Which of the following is characteristics of disturbances in the vestibular system? truncal ataxia and nystagmus
In the basic auditory pathway, the right inferior colliculus projects to the _______. right medial geniculate
Which is true of the fovea centralis? A. is the area of highest visual acuity B. Contains only cones
What nucleus lies adjacent to the anterior limb of the internal capsule? Caudate
The left lateral lemniscus is formed from fibers originating on ____________. dorsal and ventral cochlear nuclei
Two cell layers that seperate in a detached retina: pigment and photoreceptor layers
Why is the fovea centralis the area of highest visual acuity? A. Only cones with no vessels B. No convergence
In the basic auditory pathway for conscious awareness, the right cochlear nuclei project to ______. right and left inferior colliculus
A person suffering unilateral hearing loss due to vascular lesion also includes deficits in general sensation to head and body. Which artery is affected? posterior inferior cerebral artery
The basilar membrane in the apical portion of the organ of corti vibrates maximally to ______. low frequencies
The lamallae of rods contain ________. rhodopsin
Which reticular nuclei are required for conjugate eye movement? Gaze centers = abducens and occulomotor
How do eyes move with stimulation of right area 8? to the left
A person develops dramatic increase in appetite with weight gain and changes in behavior and rage. What is the site of lesion? Hypothalamus
Dislocation of the uncus may occlude _______. posterior cerebral artery
In general, olfactory areas send info to ________. limbic areas
Created by: ejjohnson